Jewish Council file:
She lived at Minervalaan 71/III, Amsterdam.
Transported 1942-07-15 via Westerbork to Auschwitz., where she died on the 1942-09-22 (see also Baza więźniów and Lieselotte Babette Oppenheimer (1910-1942) - Find a Grave Memorial).
Her parents were Julius OPPENHEIMER and Ida OPPENHEIMER, née Loeb / Löb. (see also FamilySearch.org)
She had two sisters. Herta ZUS, née OPPENHEIMER (*1918-01-22 in Darmstadt), and Käthe Karoline COHN, née OPPENHEIMER (*1916-02-28 in Darmstadt)
She and her sisters and her mother were all killed in Auschwitz
See also https://yvng.yadvashem.org/index.html?language=en&s_id=&s_lastName=Oppenheimer&s_firstName=Liselotte&s_place=&s_dateOfBirth=&cluster=true (5th, 7th and 8th entry)
https://www.joodsmonument.nl/nl/page/200666/lieselotte-babette-oppenheimer